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我们将20例原发性高血压病患者依双盲、随机方法分为二组,每组10人,先给安慰剂2周,然后分别给予等量的心得平或心得安5周,最后再给安慰剂2
Twenty patients with essential hypertension were divided into two groups according to a double-blind, randomized method. Each group consisted of 10 patients. The patients were given placebo for 2 weeks and then received the same amount of propofol for 5 weeks. Finally, Give placebo 2